4003025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 5442360

約数和(自身を除く): 1439335

約数列:

[1, 5, 13, 25, 65, 109, 113, 325, 545, 565, 1417, 1469, 2725, 2825, 7085, 7345, 12317, 35425, 36725, 61585, 160121, 307925, 800605, 4003025]

約数ペア:

[(1, 4003025), (5, 800605), (13, 307925), (25, 160121), (65, 61585), (109, 36725), (113, 35425), (325, 12317), (545, 7345), (565, 7085), (1417, 2825), (1469, 2725)]